Home / 4,872.84-7,311.60-3,826.32

Finding the Fourth Proportional to 4,872.84, 7,311.60 and 3,826.32

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Solution

The fourth proportional to 4,872.84, 7,311.60 and 3,826.32 is: 5,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.84 : 7,311.60 = 3,826.32 : x
  2. Step 2: Convert to fraction form
    4,872.84/7,311.60 = 3,826.32/x
  3. Step 3: Cross multiply
    4,872.84x = 7,311.60 × 3,826.32
  4. Step 4: Simplify right side
    4,872.84x = 27,976,521.31
  5. Step 5: Solve for x
    x = 27,976,521.31/4,872.84
  6. Step 6: Final answer
    x = 5,741.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.